Lenovo Thinkpad T450 NM-A251 UMA NM-A252 AIVL0 Rev1.0.pdf
Schematic for Lenovo T450 / AIVL0 · board NM-A251, NM-A252 · 1.4 MB · shared in 8 Telegram posts.
TXTAbout Lenovo Thinkpad T450 NM-A251 UMA NM-A252 AIVL0 Rev1.0 schematic
Lenovo Thinkpad T450 NM-A251 UMA NM-A252 AIVL0 Rev1.0 is a free Lenovo T450 / AIVL0 motherboard schematic diagram for board NM-A251 / NM-A252. The PDF file is 1.4 MB and covers board revision 1.0. It was first posted on 13 Sept 2021 and is available in 8 Telegram channels.
The NM-A251 schematic shows the complete circuit of the motherboard: the always-on 3VALW / 5VALW rails, the battery charger, CPU core and memory power, USB, display, audio and the BIOS/EC section. Use it to trace no-power, no-display, short-circuit and not-charging faults on Lenovo boards.
For the same board you can also find a boardview, board packs and BIOS dumps — see all NM-A251 files.
- Type
- Schematics
- Format
- .pdf · PDF schematic
- Size
- 1.4 MB
- Brand
- Lenovo
- Board number
- NM-A251, NM-A252
- Model
- T450, AIVL0
- Revision
- 1.0
- Notes
- UMA (integrated graphics)
- First posted
- 13 Sept 2021
- Last posted
- 8 Sept 2026
- Sources
- 8
Tags
MSGFrom the Telegram post
Lenovo Thinkpad T450 NM-A251 UMA NM-A252 AIVL0 Rev1.0 Schematics
J1Download NM-A251 schematic from Telegram
- Cynet @cynetitsolution · 8 Sept 2026Open post
- Schematic & Bios & Boardview laptop 💻 @schematiclaptopramkushwaha · 1 Apr 2026Open post
- Schematic & Bios & Boardview laptop 💻 @schematiclaptopramkushwaha · 9 Dec 2025Open post
- Schematic & Bios & Boardview laptop 💻 @schematiclaptopramkushwaha · 11 Sept 2025Open post
- GENERAL BIOS 💻💻 @generalbios · 27 Sept 2023Open post
- Cynet @cynetitsolution · 14 Sept 2022Open post
- Boardview-laptop-phone-TV-bios.schematic @pepeelectronica · 28 Apr 2022Open post
- Ocean of Schematic & Boardview @alischematics · 13 Sept 2021Open post
R1How to download Lenovo Thinkpad T450 NM-A251 UMA NM-A252 AIVL0 Rev1.0
- Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
- You don’t need to join the channel. Tap the file Lenovo Thinkpad T450 NM-A251 UMA NM-A252 AIVL0 Rev1.0.pdf to download it.
- Open it with Any PDF reader or SumatraPDF.
If a post was deleted, try another source above or search for NM-A251. Step-by-step help: downloading from Telegram.
.PDFWhat is a .pdf file and how to open it?
PDF schematic. A circuit diagram of the motherboard, page by page.
Open with:
- Any PDF reader
- SumatraPDF
- Your web browser
Tip: Press Ctrl+F and search for a part (PU1, PQ3) or a net name (+3VALW, PWR_EN) to jump straight to it.